Improvement in reciprocating churns



w. M. THOMPSON &1. L. MAHURIN.

Reciprocating Churns.

No.140,445, Patentedluly1,l873.

Wimessesf I Inve or: Per/ g AM. PHOTO-LITHOBRAPH/L 00 w (mama's P/eoaswUNITED STATES PATENT OFFICE WILLIAM M. THOMPSON AND JOHN L. MAHURIN, OFROOKFIELD, INDIANA.

IMPROVEMENT IN RECIPROCATING CHURNS.

Specification forming part of Letters Patent No. 140,445, dated July 1,1873; application filed March 22, 1873.

To all whom it may concern:

Be it known that we, WILLIAM M. THOMP- SON and JOHN L. MAHURIN, ofRockfield, in the county of Carroll and State of Indiana, have inventeda new and Improved Churn, of which the following is a specification:

In the accompanying drawing, Figure 1 represents a vertical longitudinalsection of our churn on line 0 c, Fig. 2; Fig. 2, a plan view, partly insection, showing the upper part of the dasher; and Fig. 3 is aperspective View of the dashers.

Similar letters of reference indicate correspondin g parts.

My invention consists in the arrangement of perforated dashers, slidingin grooves Within theehurn, which are moved and operated against bysimilar perforated da-shers fixed to a plunger-rod passing through thesliding lid, which prevents the splashing of the cream.

In the drawing, A represents the churn, of suitable material. Twovertical grooves, a, at opposite sides of the churn-body, guide thesliding pieces I), to which one set of horizontal dashers, d, isapplied. Dashers d are perforated by a suitable number of round holes,0, and a central aperture to allow the plungerrod f to move freelytherein. Another set of dashers, d, with corresponding perforations, e,are firmly fixed to plunger-rod f. A movable lid, 13, covers the top ofchurn A, fitting into the projecting rim 9 of the tub and having acentral aperture for the passage of the plunger-rod. Lid B may be raisedby button h for the admission of the cream. The upper end of plunger-rodf is pivoted to lever O, which is again pivoted at i to a brace, D,applied rigidly, by screws or otherwise, to the outside of churn A. Theextension of lever O is used as a handle to operate the dashers d and d.The motion of the gliding dashers cl against the rod dashers d acts onthe cream in the manner of a press, and produces the full percentage ofbutter. No soiling of the floor by the splashing over of the lid ispossible, and the simplicity of the different parts makes the churndurable and economical.

Having thus described our invention, we claim as new and desire tosecure by Letters Patent The four parallel perforated dashers d d and dd, the former moving with bar f and the latter surrounding said barf butmoving only with the guide-bars b b, as and for the purpose described.

WVILLIAM M. THOMPSON. JOHN L. MAHURIN. Witnesses:

It. W. (JRocKE'rT, JOHN BRIGGS.

